replacing Atlassian Confluence
Team wiki and documentation — Atlassian Confluence pricing: Free / $5.75-$11/user/month. Below: 2 free, self-hostable open source projects that cover the same ground, ranked by real GitHub adoption.
There are 2 open source Atlassian Confluence alternatives tracked on this registry, against Atlassian Confluence pricing of Free / $5.75-$11/user/month. The most-adopted is Outline with 40,590 GitHub stars, written in TypeScript. Together the set has 62,300 stars across 1 language and 1 licence. All 2 are free to self-host with no licence fee, and 2 of 2 received a commit in the last 90 days. 2 head-to-head Atlassian Confluence comparisons are available.
Outline is an open-source knowledge base application built with React and Node.js, designed for teams needing a fast, collaborative documentation platform. It runs as a self-hosted service or via a hosted option at getoutline.com, and its source code powers the public instance along with all supporting services. The project lives in the JavaScript/TypeScript ecosystem and uses MobX for state management.
NOASSERTION · TypeScript · Atlassian Confluence vs Outline →
Docmost is an open-source collaborative wiki and documentation software written in TypeScript and licensed under the AGPL-3.0 license. It positions itself as an open alternative to Atlassian Confluence and Notion, and its tagline describes it as a self-hosted wiki with AI, compliance, and real-time editing. The project lives in the knowledge management and note-taking ecosystem, where teams manage documentation and knowledge-base content.
AGPL-3.0 · TypeScript · Atlassian Confluence vs Docmost →
Fast, collaborative wiki for teams who need organized docs
Self-hosted wiki with AI, compliance, and real-time editing
last updated nightly · ranking method: github stars, live-tracked
Outline is the most-starred open source alternative to Atlassian Confluence in this registry, with 40,590 GitHub stars. 2 alternatives are compared here in total.
Yes. Every project listed on this page is open source and free to self-host — there is no licence fee. Some projects also sell a managed hosted version, but the self-hosted path costs nothing.
Compare licence terms, community size (stars), primary language and release activity. A fast-moving project with a compatible licence and an active maintainer base matters more than raw star count when you are committing to a migration.